Home / 916,397.32-1,264,567.54-508,473.30

Finding the Fourth Proportional to 916,397.32, 1,264,567.54 and 508,473.30

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Solution

The fourth proportional to 916,397.32, 1,264,567.54 and 508,473.30 is: 701,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,397.32 : 1,264,567.54 = 508,473.30 : x
  2. Step 2: Convert to fraction form
    916,397.32/1,264,567.54 = 508,473.30/x
  3. Step 3: Cross multiply
    916,397.32x = 1,264,567.54 × 508,473.30
  4. Step 4: Simplify right side
    916,397.32x = 642,998,830,136.68
  5. Step 5: Solve for x
    x = 642,998,830,136.68/916,397.32
  6. Step 6: Final answer
    x = 701,659.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.